generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
}

enum LedgerType {
  CREDIT_DONATION
  DEBIT_SPEND
  DEBIT_RAFFLE
  ADJUSTMENT
}

enum UserRole {
  USER
  ADMIN
}

model User {
  id            String    @id @default(cuid())
  email         String    @unique
  emailVerified DateTime?
  name          String?
  image         String?
  passwordHash  String?
  role          UserRole  @default(USER)

  accounts Account[]
  sessions Session[]

  wallet          Wallet?
  ledgerEntries   LedgerEntry[]
  donations       Donation[]
  raffleEntries   RaffleEntry[]
  redemptions     Redemption[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String? @db.Text
  access_token      String? @db.Text
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String? @db.Text
  session_state     String?

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([provider, providerAccountId])
}

model Session {
  id           String   @id @default(cuid())
  sessionToken String   @unique
  userId       String
  expires      DateTime

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model VerificationToken {
  identifier String
  token      String   @unique
  expires    DateTime

  @@unique([identifier, token])
}

model Wallet {
  id             String @id @default(cuid())
  userId         String @unique
  balanceCredits Int    @default(0)

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  updatedAt DateTime @updatedAt
}

model LedgerEntry {
  id       String     @id @default(cuid())
  userId   String
  delta    Int
  type     LedgerType
  memo     String?

  donationId   String? @unique
  donation     Donation?   @relation(fields: [donationId], references: [id])
  redemptionId String? @unique
  redemption   Redemption? @relation(fields: [redemptionId], references: [id])

  createdAt DateTime @default(now())

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
}

model Donation {
  id                    String   @id @default(cuid())
  stripePaymentIntentId String   @unique
  userId                String
  amountUsdCents        Int
  creditsAwarded        Int
  currency              String   @default("usd")
  status                String   @default("succeeded")

  user         User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  ledgerEntry  LedgerEntry?

  createdAt DateTime @default(now())

  @@index([userId])
}

model PrizeSku {
  id           String @id @default(cuid())
  slug         String @unique
  title        String
  description  String @db.Text
  costCredits  Int
  stockHint    String?

  redemptions Redemption[]
}

model Redemption {
  id          String @id @default(cuid())
  userId      String
  prizeSkuId  String
  creditsSpent Int

  user      User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  prizeSku  PrizeSku   @relation(fields: [prizeSkuId], references: [id], onDelete: Cascade)
  ledgerEntry LedgerEntry?

  createdAt DateTime @default(now())

  @@index([userId])
}

model Raffle {
  id               String   @id @default(cuid())
  slug             String   @unique
  title            String
  description      String   @db.Text
  ticketCostCredits Int
  endsAt           DateTime?

  entries RaffleEntry[]
}

model RaffleEntry {
  id       String @id @default(cuid())
  raffleId String
  userId   String
  tickets  Int    @default(1)
  creditsSpent Int

  raffle Raffle @relation(fields: [raffleId], references: [id], onDelete: Cascade)
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())

  @@index([raffleId])
  @@index([userId])
}